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| Patents for Walace G. Campbell | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,522,965 | Jan. 13, 1925 | L.G. Merritt, K.E. Berray | Veneer Dryer | veneer machines | |
| 1,522,966 | Jan. 13, 1925 | L.G. Merritt | Automatic Veneer Dryer | veneer machines | |